Smartphones are spreading throughout the business world. Their use is growing across organisations and at all levels. According to Gartner, sales of mobile devices in the second quarter of 2011 grew 16.5 percent year-on-year. Smartphone sales grew 74 percent year-on-year and accounted for 25 percent of overall sales in the second quarter of 2011, up from 17 percent in the second quarter of 2010. Not only are the numbers of smartphones growing, their versatility is increasing. Where staff used to carry laptops when they went out of the office, to retrieve email and use other applications on the move, they can now carry just a smartphone. This potentially allows them to send and receive emails, use a variety of applications, link to the company network to access data and use network-based applications, access social networking sites, and carry out online e-commerce and banking transactions. A smartphone raises key security issues, which many organisations have not fully realised yet or, if they have, they may not have taken appropriate measures to ensure network safety. The dangers The biggest danger, of course, is that smartphones go missing. Many of us will have lost a mobile phone in the past or know someone [...]